This article replies to the suggestion that the experimental effect reported in an earlier paper was due to a greater post-program exposure time for the control group or to a selection by history interaction. Both alternative explanations for the finding were rejected on the basis of both the original and additional analyses.
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References
1.
Quay, H.C. & Love, C.T.The effect of a juvenile diversion program on arrests. Criminal Justice and Behavior, 1977, 4, 377-396.
